Arienivo Queen Size Mattress 12" Hybrid Mattress in a Box, Cooling Gel Memory Foam and Pocket Coils, Medium Support, Pressure Relief & Motion Isolation for Adult

【Hybrid Support System】 – Combines pressure-relieving gel memory foam with individually wrapped pocket coils for balanced comfort and support. 【Motion Isolation】 – Pocket coils reduce motion transfer, helping minimize sleep disturbance from movement. 【Pressure Relief & Spinal Alignment】 – Multi-layer foam design supports proper posture and helps relieve pressure on key areas. 【Cooling & Breathable Design】 – Gel-infused foam and breathable knit fabric promote airflow and heat dissipation. 【Durable, Sag-Resistant Materials】 – High-density foams and reinforced core help maintain long-term performance. 【Reinforced Edge Support】 – Enhanced edges provide added stability and more usable sleep surface. 【Non-Slip Base】 – Bottom layer helps keep the mattress securely in place on most bed frames. 【Certified Safe Materials】 – OEKO-TEX STANDARD 100 and CertiPUR-US certified. 【Fire Safety Compliant】 – Includes a built-in fire-resistant layer meeting 16 CFR Part 1633 flammability standards. 【Convenient Mattress-in-a-Box Delivery】 – Compressed and shipped for easy setup; allow time after unboxing for full expansion. 【Risk-Free Purchase】 – Includes an extended sleep trial and long-term warranty for added peace of mind.